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    "slug": "zo-rolt-een-roltrap-marja-baeten",
    "nstc": null,
    "title": "Zo rolt een roltrap",
    "subtitle": "techniek in de winkel",
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    "description": "Hoe werkt een flessenautomaat?<br />\nEn hoe gaat een roltrap eigenlijk naar boven en naar beneden?<br />\nDoor middel van grappige korte verhalen en gedetailleerde<br />\ntechnische tekeningen met uitleg kom je in dit boek<br />\nalles te weten over apparaten die je in een winkel ziet.<br />\n<br />\nAlledaagse techniek vol verwondering bekeken.<br />\nVoor nieuwsgierige kinderen vanaf 5 jaar.",
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    "page_count": 48,
    "duration_seconds": null,
    "publication_date_first": "2023-08-31",
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    "created_at": "2025-09-19T13:54:46+00:00",
    "updated_at": "2025-11-07T00:38:32+00:00",
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        "slug": "clavis",
        "name": "Clavis",
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    "contributors": [
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            "slug": "marja-baeten-2",
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}